# arrow_back What is a dot product in physics?

129 views
What is a dot product in physics?

## 1 Answer

Best answer

Best answer
 dot product: $\underline{a} \cdot \underline{b} = a_1 b_1 + a_2b_2 + ... = |\underline{a}| |\underline{b}| \cos{\theta}$, $W = \underline{F} \cdot \underline{d}$ where F is force and d is distance
by Wooden Status
(2,016 points)

## Related questions

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is a cross product in physics?
1 answer 198 views
What is a cross product in physics?What is a cross product in physics? ...
close
0 answers 324 views
Let $\mathbf{u}$ be a vector in $R^{100}$ whose $i$ th component is $i$, and let $\mathbf{v}$ be the vector in $R^{100}$ whose $i$ th component is $1 /(i+1)$. Find the dot product of $\mathbf{u}$ and $\mathbf{v}$.Let $\mathbf{u}$ be a vector in $R^{100}$ whose $i$ th component is $i$, and let $\mathbf{v}$ be the vector in $R^{100}$ whose $i$ th component is $1 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false? 0 answers 206 views Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false?Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false? A.$-a \time ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is a dot/scalar product?
1 answer 49 views
What is a dot/scalar product?What is a dot/scalar product? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the dot product of $\mathbf{u}$ a column matrix and $\mathbf{v}$ a column matrix?
1 answer 211 views
What is the dot product of $\mathbf{u}$ a column matrix and $\mathbf{v}$ a column matrix?What is the dot product of $\mathbf{u}$ a column matrix and $\mathbf{v}$ a column matrix? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the dot product of u a row matrix and v a column matrix?
1 answer 105 views
What is the dot product of u a row matrix and v a column matrix?What is the dot product of u a row matrix and v a column matrix? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the dot product of u a column matrix and v a row matrix?
1 answer 92 views
What is the dot product of u a column matrix and v a row matrix?What is the dot product of u a column matrix and v a row matrix? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the dot product of u a row matrix and v a row matrix?
1 answer 73 views
What is the dot product of u a row matrix and v a row matrix?What is the dot product of u a row matrix and v a row matrix? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Find the dot product of the vectors shown in the diagram below
1 answer 79 views
Find the dot product of the vectors shown in the diagram below Find the dot product of the vectors shown in the diagram below &nbsp; ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the dot (Euclidean inner) product of two vectors?
1 answer 65 views
What is the dot (Euclidean inner) product of two vectors?What is the dot (Euclidean inner) product of two vectors? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is the component form of the dot product?
1 answer 47 views
What is the component form of the dot product?What is the component form of the dot product? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What are the algebraic properties of the dot/inner product?
1 answer 48 views
What are the algebraic properties of the dot/inner product?What are the algebraic properties of the dot/inner product? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What are the basic properties of the inner(dot) product?
1 answer 94 views
What are the basic properties of the inner(dot) product?What are the basic properties of the inner(dot) product? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Knowing the dot product of two vectors, how can I establish the angle between them?
1 answer 70 views
Knowing the dot product of two vectors, how can I establish the angle between them?Knowing the dot product of two vectors, how can I establish the angle between them? ...
close

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Which mathematician came up with the dot product notation?
1 answer 48 views
Which mathematician came up with the dot product notation?Which mathematician came up with the dot product notation? ...
close